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Finding the Fourth Proportional to 1,294,584.59, 1,786,450.92 and 743,171.62

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Solution

The fourth proportional to 1,294,584.59, 1,786,450.92 and 743,171.62 is: 1,025,533.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,584.59 : 1,786,450.92 = 743,171.62 : x
  2. Step 2: Convert to fraction form
    1,294,584.59/1,786,450.92 = 743,171.62/x
  3. Step 3: Cross multiply
    1,294,584.59x = 1,786,450.92 × 743,171.62
  4. Step 4: Simplify right side
    1,294,584.59x = 1,327,639,624,266.89
  5. Step 5: Solve for x
    x = 1,327,639,624,266.89/1,294,584.59
  6. Step 6: Final answer
    x = 1,025,533.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.